Results 31 to 40 of about 4,310 (200)

Intracolic ultrasound molecular imaging: a novel method for assessing colonic tumor necrosis factor-α expression in inflammatory bowel disease

open access: yesMolecular Medicine, 2021
Background While anti-tumor necrosis factor alpha (TNF-α) therapy has been proven effective in inflammatory bowel disease (IBD), approximately 40% of patients lose the response.
Xiaoyan Miao   +11 more
doaj   +1 more source

Combined ultrasound and optoacoustic system for real-time high-contrast vascular imaging in vivo [PDF]

open access: yes, 2022
S.436-440In optoacoustic imaging, short laser pulses irradiate highly scattering human tissue and adiabatically heat embedded absorbing structures, such as blood vessels, to generate ultrasound transients by means of the thermoelastic effect.
Niederhauser, J.J.   +4 more
core   +1 more source

Optoacoustic imaging of subcutaneous microvasculature with a class one laser [PDF]

open access: yes, 2022
S.1900-1904We developed a combined imaging platform allowing optoacoustic and ultrasound imaging based on a low energy laser and a handheld probe. The device is based on a sensitive single element 35-MHz focused transducer, a 2-D piezoscanner and a dual ...
Lemor, R., Bost, W., Fournelle, M.
core   +1 more source

Photocontrollable Proteins for Optoacoustic Imaging [PDF]

open access: yesAnalytical Chemistry, 2019
Photocontrollable proteins revolutionized life-science imaging due to their contribution to subdiffraction-resolution optical microscopy. They might have yet another lasting impact on photo- or optoacoustic imaging (OA). OA combines optical contrast with ultrasound detection enabling high-resolution real-time in vivo imaging well-beyond the typical ...
Kanuj Mishra   +3 more
openaire   +3 more sources

Optoacoustic imaging [PDF]

open access: yes, 2022
S.964-975Clinical/methodical Issue: Imaging modalities play an increasing role in todayâs medical diagnostics. Among them, ultrasound (US) is one the most widespread techniques although it has relatively poor soft tissue contrast.
Fournelle, M., Tretbar, S.
core   +1 more source

Optoacoustic imaging in gastroenterology [PDF]

open access: yesTranslational Biophotonics, 2019
AbstractImaging modalities are crucial for diagnosis and monitoring of various gastroenterological diseases. To overcome limitations in established imaging methods, to improve outcome and reduce invasive procedures alternate modalities are needed. Optoacoustic imaging (OAI), an emerging method in both preclinical and translational settings, offers ...
Daniel M. Klett, Maximilian J. Waldner
openaire   +1 more source

Development of Contrast Agents for Optoacoustic Imaging [PDF]

open access: yes, 2023
Optoacoustic imaging is an emerging modality with inherent advantages relevant for clinical use. Following excitation of optoacoustic contrast agents with ultrashort (~10 ns) pulses of near-infrared light, thermoelastic contractions and expansions of the
MacCuaig, William
core  

Multispectral optoacoustic tomography for in vivo detection of lymph node metastases in oral cancer patients using an EGFR-targeted contrast agent and intrinsic tissue contrast: A proof-of-concept study

open access: yesPhotoacoustics, 2022
Oral cancer patients undergo diagnostic surgeries to detect occult lymph node metastases missed by preoperative structural imaging techniques.
J. Vonk   +10 more
doaj   +1 more source

Full-view LED-based optoacoustic tomography

open access: yesPhotoacoustics, 2023
Optoacoustic tomography is commonly performed with bulky and expensive short-pulsed solid-state lasers providing high per-pulse energies in the millijoule range.
Xiang Liu   +5 more
doaj   +1 more source

Deep-tissue reporter-gene imaging with fluorescence and optoacoustic tomography: A performance overview [PDF]

open access: yes, 2022
S.652-660Purpose: A primary enabling feature of near-infrared fluorescent proteins (FPs) and fluorescent probes is the ability to visualize deeper in tissues than in the visible.
Ale, Angelique   +7 more
core   +1 more source

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